﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;


    class Unicode
    {
        static void Main(string[] args)
        {
           string word = "Hi!";
           foreach (char letter in word)
           {
               Console.Write("\\u{0:x4}", (int)letter);
           }
           Console.WriteLine();
        }
    }

